Pith Number

pith:5JD7T6W3

pith:2018:5JD7T6W3GLKJ5GTKKYMRIBOP7N

not attested not anchored not stored refs pending

The underlying connections between identifiability, active subspaces, and parameter space dimension reduction

Andrew F. Brouwer, Marisa C. Eisenberg

arxiv:1802.05641 v1 · 2018-02-15 · math.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JD7T6W3GLKJ5GTKKYMRIBOP7N}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Invariant Image Reparameterisation: Bridging Symbolic and Numerical Methods for Identifiability Analysis and Model Reduction

Receipt and verification

First computed	2026-05-18T00:23:15.013579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea47f9fadb32d49e9a6a56191405cffb71b0e22ba1c90a37efe74f44b4df9be3

Aliases

arxiv: 1802.05641 · arxiv_version: 1802.05641v1 · doi: 10.48550/arxiv.1802.05641 · pith_short_12: 5JD7T6W3GLKJ · pith_short_16: 5JD7T6W3GLKJ5GTK · pith_short_8: 5JD7T6W3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5JD7T6W3GLKJ5GTKKYMRIBOP7N \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ea47f9fadb32d49e9a6a56191405cffb71b0e22ba1c90a37efe74f44b4df9be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd074b1fa93745b3ab438573386cf2ec993c223e4903f89cfcfeec3598f9757f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-02-15T16:26:49Z",
    "title_canon_sha256": "4c9a1b8bc26fb57effab9f66508a9f44a7c3d3532ac28dd6df5e1da53d2b848f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05641",
    "kind": "arxiv",
    "version": 1
  }
}